23 General utilities library [utilities]
namespace std {
template <class T> struct default_delete {
constexpr default_delete() noexcept = default;
template <class U> default_delete(const default_delete<U>&) noexcept;
void operator()(T*) const;
};
}
template <class U> default_delete(const default_delete<U>& other) noexcept;
Effects: Constructs a
default_delete object
from another
default_delete<U> object
. Remarks: This constructor shall not participate in overload resolution unless
U* is implicitly convertible to
T*. void operator()(T* ptr) const;
Effects: Calls
delete on
ptr. Remarks: If
T is an incomplete type, the program is ill-formed
.